Problem A
Arbitrage? — Problem Statistics

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Submissions	4683
Accepted submissions	1302
Submission ratio	27.80%
Authors	905
Full solves [?]	764
Full solve Ratio	84.42%

#	User	Runtime	Language	Date
1	Daniel McKelvey	0.05 s	C	2019-02-06 15:48:45
2	Mirel Cosulschi	0.05 s	C	2024-12-24 20:49:47
3	Anders Friis Kaas	0.06 s	C	2020-11-07 21:10:28
4	Raymond Yang	0.11 s	C	2019-10-05 00:01:45
5	Thibault Raffaillac	0.17 s	C	2017-12-13 19:47:40
6	Bergur Snorrason	0.22 s	C	2022-03-11 11:31:33

#	User	Runtime	Language	Date
1	Henry Stoldt	0.52 s	C#	2017-09-15 19:13:11
2	Nicolai	0.84 s	C#	2025-11-18 11:31:53

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.02 s	C++	2018-09-14 05:53:13
2	Romulus Pașca	0.02 s	C++	2022-06-07 11:13:14
3	Hidden user	0.03 s	C++	2012-02-24 22:22:39
4	Andrew Polizzotto	0.03 s	C++	2022-02-09 20:43:44
5	Hidden user	0.03 s	C++	2024-11-30 03:37:24
6	Rohan	0.03 s	C++	2025-05-02 13:51:31
7	Wu Zengfu	0.03 s	C++	2025-10-04 17:46:42
8	Ng Mun Hin	0.03 s	C++	2026-01-01 19:37:41
9	Felix Arends	0.04 s	C++	2011-10-16 14:01:39
10	William Gan	0.04 s	C++	2017-03-02 16:24:26

#	User	Runtime	Language	Date
1	Line Dejgaard	1.94 s	Go	2023-09-29 19:15:04

#	User	Runtime	Language	Date
1	Bjørn Dons	0.11 s	Java	2018-11-10 21:47:28
2	Simon Klein	0.12 s	Java	2011-10-07 16:50:02
3	Chen Shenghao	0.19 s	Java	2019-10-25 06:27:18
4	Nguyen Do	0.29 s	Java	2018-12-13 07:35:28
5	Nick Wu	0.38 s	Java	2017-11-08 21:56:48
6	Jack Isherwood	0.41 s	Java	2018-03-12 23:59:26
7	Craig Mathieson	0.42 s	Java	2018-03-13 21:20:35
8	Tylan McKinney	0.45 s	Java	2020-10-15 13:02:11
9	Doug Goodman	0.46 s	Java	2021-01-25 20:58:44
10	Jordan Cripe	0.47 s	Java	2017-04-11 00:56:22

#	User	Runtime	Language	Date
1	Johan Sannemo	0.34 s	Python 2	2012-01-22 12:48:55
2	Sivasankaran D	0.69 s	Python 2	2026-01-21 18:02:33
3	Erik Odenman	1.15 s	Python 2	2015-05-12 00:21:10
4	Aditya Durvasula	1.19 s	Python 2	2018-03-12 00:04:19
5	Andreas Björklund	1.59 s	Python 2	2018-12-14 08:59:38
6	Conor McGovern	1.76 s	Python 2	2019-02-13 21:51:03
7	grcd	1.86 s	Python 2	2019-07-22 23:12:43
8	Matias Frank Jensen	2.40 s	Python 2	2018-09-23 09:32:05

#	User	Runtime	Language	Date
1	Frederik Peter Høngaard	0.15 s	Python 3	2022-08-24 21:32:30
2	Anders Friis Kaas	0.16 s	Python 3	2020-11-07 15:52:05
3	Ole Vik Lysne	0.19 s	Python 3	2024-09-13 00:08:38
4	Richard Belson	0.19 s	Python 3	2024-12-01 06:39:17
5	Kevin Lu	0.20 s	Python 3	2019-10-16 05:35:04
6	Iman Khodadi	0.20 s	Python 3	2022-12-10 08:41:23
7	Kristian Nore	0.20 s	Python 3	2024-02-26 16:24:03
8	Sebastian Rosnes Sørensen	0.26 s	Python 3	2024-03-14 20:47:50
9	Patrick Devaney	0.27 s	Python 3	2019-02-25 20:06:37
10	Ludvik Olai Slipersæter	0.28 s	Python 3	2024-02-28 14:39:40

#	User	Runtime	Language	Date
1	Yusuke Ichiki	1.74 s	Ruby	2022-06-07 09:46:18

#	User	Runtime	Language	Date
1	Ryosuke Takahashi	0.01 s	Rust	2023-07-12 12:21:29
2	Vincent Lagerros	0.02 s	Rust	2024-08-31 00:07:52
3	Ole Vik Lysne	0.04 s	Rust	2024-02-26 20:28:04
4	Richard Belson	0.04 s	Rust	2024-12-01 06:35:23
5	Iwancof	0.16 s	Rust	2023-06-01 11:48:57
6	Egor Kulikov	0.17 s	Rust	2025-10-14 15:20:38
7	藤原潮人	1.07 s	Rust	2023-06-06 12:56:24
8	Lars Haukland	1.92 s	Rust	2024-02-23 15:54:38
9	Eric Pinter	1.99 s	Rust	2021-06-19 21:56:56

#	User	Length	Language	Date
1	Thibault Raffaillac	954	C	2017-12-13 19:47:40
2	Raymond Yang	1005	C	2019-10-05 00:01:45
3	Mirel Cosulschi	1571	C	2024-12-24 20:49:47
4	Anders Friis Kaas	2417	C	2020-11-07 21:11:47
5	Bergur Snorrason	2483	C	2022-03-11 11:31:33
6	Daniel McKelvey	3001	C	2019-02-06 15:48:45

#	User	Length	Language	Date
1	Nicolai	1541	C#	2025-11-18 11:31:53
2	Henry Stoldt	5056	C#	2017-09-15 19:13:11

#	User	Length	Language	Date
1	Luciano Arnaldo Romero Calla	766	C++	2024-09-15 01:19:30
2	Mugeon Kim	777	C++	2024-08-28 04:12:18
3	__	798	C++	2025-09-02 03:49:33
4	Lim Hong Hui Eugene	831	C++	2017-03-14 04:36:54
5	Rik Bauwens	852	C++	2020-12-23 15:22:55
6	Kiên Nguyễn Tiến Trung	868	C++	2017-03-04 09:32:19
7	Johan Wind	873	C++	2018-03-30 22:49:00
8	William Gan	875	C++	2017-03-02 10:20:31
9	Leonardo Blanger	884	C++	2021-01-05 22:48:14
10	Li Yao'an	887	C++	2017-03-04 00:04:47

#	User	Length	Language	Date
1	Line Dejgaard	3536	Go	2023-09-29 19:18:05

#	User	Length	Language	Date
1	Zimu Qin	1083	Java	2015-07-08 17:41:41
2	Ma Hongqiang	1210	Java	2019-03-07 17:01:16
3	Duncan Page	1330	Java	2018-03-26 23:42:58
4	Yiping Wang	1415	Java	2018-03-05 01:02:29
5	Danniel Alcantara	1523	Java	2023-08-09 03:56:22
6	Italo Borrelli	1524	Java	2018-03-12 02:59:04
7	Hidden user	1615	Java	2018-03-21 20:06:04
8	Hidden user	1620	Java	2018-03-13 01:53:37
9	Craig Mathieson	1622	Java	2018-03-13 21:20:35
10	Yiu Yu Ho	1627	Java	2022-04-17 18:53:16

#	User	Length	Language	Date
1	grcd	680	Python 2	2019-07-22 23:12:43
2	Andreas Björklund	722	Python 2	2018-12-14 08:59:38
3	Erik Odenman	736	Python 2	2015-05-12 00:21:10
4	Johan Sannemo	866	Python 2	2012-01-22 12:48:55
5	Conor McGovern	867	Python 2	2019-02-13 21:51:03
6	Sivasankaran D	933	Python 2	2026-01-21 18:02:33
7	Aditya Durvasula	984	Python 2	2018-03-12 00:04:19
8	Matias Frank Jensen	1059	Python 2	2018-09-23 09:32:05

#	User	Length	Language	Date
1	Lee Isaac	457	Python 3	2023-02-15 10:48:50
2	ak	585	Python 3	2023-06-05 08:13:07
3	Denil Bouafia	645	Python 3	2024-12-16 15:45:30
4	Sebastian Rosnes Sørensen	656	Python 3	2024-03-14 20:58:33
5	Jakob Rødal Skaar	736	Python 3	2024-02-21 19:34:21
6	August Tidemann Klevberg	744	Python 3	2024-02-26 19:03:49
7	Michael Yu	748	Python 3	2023-03-23 05:21:29
8	Ricardo Ruiz	755	Python 3	2023-05-01 06:10:03
9	Abderrahim	757	Python 3	2023-09-01 16:45:31
10	Yucheng Niu	767	Python 3	2020-08-18 00:10:44

#	User	Length	Language	Date
1	Yusuke Ichiki	808	Ruby	2022-06-07 09:46:18

#	User	Length	Language	Date
1	Ole Vik Lysne	1818	Rust	2024-02-26 20:44:07
2	Richard Belson	1840	Rust	2024-12-01 06:35:23
3	藤原潮人	2393	Rust	2023-06-06 12:56:24
4	Lars Haukland	2551	Rust	2024-02-23 15:52:46
5	Eric Pinter	4024	Rust	2021-06-19 21:56:56
6	Ryosuke Takahashi	6103	Rust	2023-07-12 12:21:29
7	Iwancof	25529	Rust	2023-06-01 11:48:57
8	Vincent Lagerros	29174	Rust	2024-08-31 00:11:39
9	Egor Kulikov	67133	Rust	2025-10-14 15:20:38

Solution running time distribution